Home / 762,146.32-1,051,686.12-439,960.22

Finding the Fourth Proportional to 762,146.32, 1,051,686.12 and 439,960.22

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Solution

The fourth proportional to 762,146.32, 1,051,686.12 and 439,960.22 is: 607,101.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,146.32 : 1,051,686.12 = 439,960.22 : x
  2. Step 2: Convert to fraction form
    762,146.32/1,051,686.12 = 439,960.22/x
  3. Step 3: Cross multiply
    762,146.32x = 1,051,686.12 × 439,960.22
  4. Step 4: Simplify right side
    762,146.32x = 462,700,056,726.15
  5. Step 5: Solve for x
    x = 462,700,056,726.15/762,146.32
  6. Step 6: Final answer
    x = 607,101.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.